Colorado Plateau has 3 regions with 2, 1, 4 stations each.
See combined Topo Map.
Region 1: Santa Fe, Albuquerque
35.16, -106 Santa Fe 35.08, -106.66 Albuquerque
Region 2: El Paso
31.78, -106.45 El Paso
Region 3: Gallup, Tucson, Flagstaff, Phoenix
35.5, -108.75 Gallup 32.25, -111 Tucson 35.25, -111.66 Flagstaff 33.5, -112 Phoenix